TY  - DATA
AU  - U. Felgner
TI  - Models of ZF-Set Theory
T2  - Lecture Notes in Mathematics
SN  - 9783540369080
PY  - 1971///
CY  - Heidelberg
PB  - Springer Berlin
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/BFb0061160
ER  -